Name changing se kise fayeda, hindu ya musalman ?

Shahro ke aise name jo muslim type h unhe bdla ja rha aur isme croroN paisa lgta h to isse kisko fayeda hota h hindu ya musalman ko aur ye kaisa h apni ray k izhaar kiya gya h aur desh ke vikas pr baat ki gyi h kaise vikas ho.